avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     8.180      0.000  12158.930   1132.800      0.000      0.000 
avg	     0.062      0.000     91.421      8.517      0.000      0.000 
stddev	     0.080      0.000      9.576      9.569      0.000      0.000 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2173855.410     71.790  23694.260    287.170 8779011.510 100264.880  13384.850  78461.870    806.920  12860.010 
avg	     0.000  16344.778      0.540    178.152      2.159  66007.605    753.871    100.638    589.939      6.067     96.692 
stddev	     0.000   7266.664      0.540     51.912      2.161  18496.486    127.482     37.414    285.588      2.540      6.847